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post #1 of 10 (permalink) Old Aug 3rd, 07, 09:49 PM Thread Starter
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Johnny
 
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fan clutch length

I can't remember which dealer classic or ricks etc... that I saw offered fan clutches with different lenght shafts? or did I dream it all? I need to get my fan deeper into the shroud by at least a half an inch to an inch

67Camaro 396BB 750Holley, edlebrock performer,280isky,3.42 posi, turbo 350,stage 2 shift kit, 2800 stall, MSDready to run distributor, headers, 2.5"exhaust, Hotchkis(1.5"/2"drop).(orig.Deep water blue/light blue dlx inter, v8 column shift/bench seat)
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post #2 of 10 (permalink) Old Aug 3rd, 07, 11:07 PM
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Re: fan clutch length

I recently went with a Hayden #2507 fan clutch for the short waterpump small block in my 67. The installed height is 2.03.

http://haydenauto.com/catalogs/hayde...fan-clutch.pdf


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post #3 of 10 (permalink) Old Aug 3rd, 07, 11:14 PM Thread Starter
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Re: fan clutch length

nice clean engine farm boy.

so that measurement is from clutch mounting surface to fan mounting surface.

67Camaro 396BB 750Holley, edlebrock performer,280isky,3.42 posi, turbo 350,stage 2 shift kit, 2800 stall, MSDready to run distributor, headers, 2.5"exhaust, Hotchkis(1.5"/2"drop).(orig.Deep water blue/light blue dlx inter, v8 column shift/bench seat)
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post #4 of 10 (permalink) Old Aug 3rd, 07, 11:25 PM Thread Starter
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Re: fan clutch length

wow thats quite the chart I think it will give me all the info thanks

67Camaro 396BB 750Holley, edlebrock performer,280isky,3.42 posi, turbo 350,stage 2 shift kit, 2800 stall, MSDready to run distributor, headers, 2.5"exhaust, Hotchkis(1.5"/2"drop).(orig.Deep water blue/light blue dlx inter, v8 column shift/bench seat)
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post #5 of 10 (permalink) Old Aug 4th, 07, 12:21 AM Thread Starter
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Re: fan clutch length

I checked hayden's list and measured my mounting surfaces length, it checks out to be the same at 1.75 but I still have the problem of the fan not being in the shroud. The front of the fan lines up level with the start or the shroud. I figure it has to go in at least 1 more inch. What is not correct here?

http://

67Camaro 396BB 750Holley, edlebrock performer,280isky,3.42 posi, turbo 350,stage 2 shift kit, 2800 stall, MSDready to run distributor, headers, 2.5"exhaust, Hotchkis(1.5"/2"drop).(orig.Deep water blue/light blue dlx inter, v8 column shift/bench seat)
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post #6 of 10 (permalink) Old Aug 4th, 07, 04:36 AM
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Re: fan clutch length

Looks like you have a 69 BB shroud on the radiator, There is a difference in the depth of the 67/68 and 69 shrouds, and its about an inch.

Mark Canning
1969 Indy Pace Car
350/300HP RPO Z11

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post #7 of 10 (permalink) Old Aug 4th, 07, 11:14 AM Thread Starter
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Re: fan clutch length

Quote:
Originally Posted by Mark C View Post
Looks like you have a 69 BB shroud on the radiator, There is a difference in the depth of the 67/68 and 69 shrouds, and its about an inch.
I never thought of that, it was one of the first things I ordered when I started restoring the engine compartment. I was very novice at the time even though it was only a year and a half ago. I have learned alot from being part of this forum since then.

Should I just measure the depth at the top of the shroud where it bolts up?

69' lists at 1 5/8" deep

67-68 lists at 2 3/4" deep

Let me know what you think of this measurement, it could solve my overheating problem.
http://

67Camaro 396BB 750Holley, edlebrock performer,280isky,3.42 posi, turbo 350,stage 2 shift kit, 2800 stall, MSDready to run distributor, headers, 2.5"exhaust, Hotchkis(1.5"/2"drop).(orig.Deep water blue/light blue dlx inter, v8 column shift/bench seat)

Last edited by johnny67; Aug 4th, 07 at 02:53 PM. Reason: added photo
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post #8 of 10 (permalink) Old Aug 15th, 07, 05:50 PM
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Re: fan clutch length

What fan blade are you using farm boy ?
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post #9 of 10 (permalink) Old Aug 15th, 07, 06:44 PM
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Re: fan clutch length

Quote:
Originally Posted by 67sprtcp View Post
What fan blade are you using farm boy ?
It's a Hayden #3618 18 inch blade.

Steve

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post #10 of 10 (permalink) Old Aug 16th, 07, 04:56 PM
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Re: fan clutch length

Thanks, I just bought a flexalite steel clutch fan from summit. Yours looks like its a little more into the shroud than mine. I also just put a hayden 2724 hd clutch on.
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